The Exploration of SpaceHarper, 1951 - 199 pagini |
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Pagina 66
... pressure outside it , being in a perfect vacuum , and so it must be strong enough to withstand the full internal pressure . To build a large container which will not burst when there is a force of one ton acting outwards on every square ...
... pressure outside it , being in a perfect vacuum , and so it must be strong enough to withstand the full internal pressure . To build a large container which will not burst when there is a force of one ton acting outwards on every square ...
Pagina 102
... pressure seriously . It has often been suggested that the crew of a punctured spaceship would be killed instantly and their bodies perhaps ruptured by the expansion of internal gases when the pressure was released . This is not the case ...
... pressure seriously . It has often been suggested that the crew of a punctured spaceship would be killed instantly and their bodies perhaps ruptured by the expansion of internal gases when the pressure was released . This is not the case ...
Pagina 144
... pressure suits and wearing only breathing masks . At the moment , the evidence is certainly against this , but the ... pressure alone - a method of support which , surprising though it seems , would allow the roofing of very large spaces ...
... pressure suits and wearing only breathing masks . At the moment , the evidence is certainly against this , but the ... pressure alone - a method of support which , surprising though it seems , would allow the roofing of very large spaces ...
Cuprins
The Shaping of the Dream | 1 |
The Earth and Its Neighbours | 7 |
The Rocket | 17 |
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Termeni și expresii frecvente
acceleration already asteroids astronautics astronomers atmosphere body bricks build carry certainly Chapter chemical completely course crew degrees F difficult direction distance Earth energy enormous escape velocity exploration extremely fact Figure free orbit fuel Galaxy giant gravitational field gravity heat Hermann Oberth hundred miles idea imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing light light-years lunar Mare Imbrium Mars and Venus Martian means Mercury meteors million minutes missile Moon Moon's motors never observed oxygen payload perhaps planetary planets Pluto possible pounds pressure pressurised probably problem produce propellant propulsion Proxima Centauri R. A. Smith radar radiation radio reach reason refuelling return to Earth rocket power satellite Saturn scientific ship Solar System space space-flight space-station space-suits space-travel spaceship speed spinning stars stations surface take-off telescope temperature terrestrial thousand thrust tion trolley Uranus voyage weight